Language school headmaster
Language school headmaster
Gerd Keller (14 episodes, 2008-2009)
Wiktor Waligóra (53 episodes, 2005-2007)
Krzysztof Traczynski (2005)
Actor Marek Turski 1 episode, 2004
Marek Kaszuba 85 episodes, 2015-2020
Benedykt Kamper 13 episodes, 2014
Karol Dobosz 13 episodes, 2015